Library to play tones and melodies over the DAC.
Dependents: 1620_Project_Template 1620_App_Board_DAC 1620_App_Board_DAC_Melody 1620_Project_Template ... more
Tone.h
- Committer:
- eencae
- Date:
- 2018-04-20
- Revision:
- 1:f17240b3e85e
- Parent:
- 0:836cdf67dbdb
File content as of revision 1:f17240b3e85e:
#ifndef TONE_H #define TONE_H #include "mbed.h" #define PI 3.14159265359 class Tone { public: // constructor/destructor Tone(PinName dacPin); ~Tone(); // initialise the sine lookup table with number of notes void init(); // play single note of specific duration void play(const float frequency,const float duration); // play array of notes and duration, must send length and beats per minute void play_melody(int length,const int *notes,const int *durations,float bpm,bool repeat); // change the BPM void set_bpm(float bpm); private: AnalogOut *dac; Ticker *ticker; Timeout *timeout; Timeout *note_timeout; float *_sample_array; const int *_notes; const int *_durations; int _n; int _melody_length; volatile unsigned int _sample; volatile unsigned int _note; float _bpm; bool _repeat; void ticker_isr(); void timeout_isr(); void note_timeout_isr(); void play_next_note(); }; // Note definitions from Arduino.cc #define NOTE_B0 31 #define NOTE_C1 33 #define NOTE_CS1 35 #define NOTE_D1 37 #define NOTE_DS1 39 #define NOTE_E1 41 #define NOTE_F1 44 #define NOTE_FS1 46 #define NOTE_G1 49 #define NOTE_GS1 52 #define NOTE_A1 55 #define NOTE_AS1 58 #define NOTE_B1 62 #define NOTE_C2 65 #define NOTE_CS2 69 #define NOTE_D2 73 #define NOTE_DS2 78 #define NOTE_E2 82 #define NOTE_F2 87 #define NOTE_FS2 93 #define NOTE_G2 98 #define NOTE_GS2 104 #define NOTE_A2 110 #define NOTE_AS2 117 #define NOTE_B2 123 #define NOTE_C3 131 #define NOTE_CS3 139 #define NOTE_D3 147 #define NOTE_DS3 156 #define NOTE_E3 165 #define NOTE_F3 175 #define NOTE_FS3 185 #define NOTE_G3 196 #define NOTE_GS3 208 #define NOTE_A3 220 #define NOTE_AS3 233 #define NOTE_B3 247 #define NOTE_C4 262 #define NOTE_CS4 277 #define NOTE_D4 294 #define NOTE_DS4 311 #define NOTE_E4 330 #define NOTE_F4 349 #define NOTE_FS4 370 #define NOTE_G4 392 #define NOTE_GS4 415 #define NOTE_A4 440 #define NOTE_AS4 466 #define NOTE_B4 494 #define NOTE_C5 523 #define NOTE_CS5 554 #define NOTE_D5 587 #define NOTE_DS5 622 #define NOTE_E5 659 #define NOTE_F5 698 #define NOTE_FS5 740 #define NOTE_G5 784 #define NOTE_GS5 831 #define NOTE_A5 880 #define NOTE_AS5 932 #define NOTE_B5 988 #define NOTE_C6 1047 #define NOTE_CS6 1109 #define NOTE_D6 1175 #define NOTE_DS6 1245 #define NOTE_E6 1319 #define NOTE_F6 1397 #define NOTE_FS6 1480 #define NOTE_G6 1568 #define NOTE_GS6 1661 #define NOTE_A6 1760 #define NOTE_AS6 1865 #define NOTE_B6 1976 #define NOTE_C7 2093 #define NOTE_CS7 2217 #define NOTE_D7 2349 #define NOTE_DS7 2489 #define NOTE_E7 2637 #define NOTE_F7 2794 #define NOTE_FS7 2960 #define NOTE_G7 3136 #define NOTE_GS7 3322 #define NOTE_A7 3520 #define NOTE_AS7 3729 #define NOTE_B7 3951 #define NOTE_C8 4186 #define NOTE_CS8 4435 #define NOTE_D8 4699 #define NOTE_DS8 4978 #endif